AI Safety Researcher Resigns With ‘World Is in Peril’ Warning

Mrinank Sharma said he is alarmed by a series of ‘interconnected crises’ that extend beyond AI and that he plans to step away from the field.

Artificial intelligence signage at the Mobile World Congress, the world's largest mobile technology trade show, in Barcelona, Spain, on March 3, 2025. Manaure Quintero/AFP

An artificial intelligence (AI) safety researcher has resigned with a warning that the “world is in peril.”

Mrinank Sharma, who joined large language model developer Anthropic in 2023, announced his departure in an open letter to colleagues posted on X on Feb. 9. He was the leader of a team that researches AI safeguards.